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This converts some of the visually simpler cases that have been split
over multiple lines. I only did the ones that are easy to verify the
resulting diff by having just that final GFP_KERNEL argument on the next
line.
Somebody should probably do a proper coccinelle script for this, but for
me the trivial script actually resulted in an assertion failure in the
middle of the script. I probably had made it a bit _too_ trivial.
So after fighting that far a while I decided to just do some of the
syntactically simpler cases with variations of the previous 'sed'
scripts.
The more syntactically complex multi-line cases would mostly really want
whitespace cleanup anyway.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is the exact same thing as the 'alloc_obj()' version, only much
smaller because there are a lot fewer users of the *alloc_flex()
interface.
As with alloc_obj() version, this was done entirely with mindless brute
force, using the same script, except using 'flex' in the pattern rather
than 'objs*'.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This was done entirely with mindless brute force, using
git grep -l '\<k[vmz]*alloc_objs*(.*, GFP_KERNEL)' |
xargs sed -i 's/\(alloc_objs*(.*\), GFP_KERNEL)/\1)/'
to convert the new alloc_obj() users that had a simple GFP_KERNEL
argument to just drop that argument.
Note that due to the extreme simplicity of the scripting, any slightly
more complex cases spread over multiple lines would not be triggered:
they definitely exist, but this covers the vast bulk of the cases, and
the resulting diff is also then easier to check automatically.
For the same reason the 'flex' versions will be done as a separate
conversion.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This is the result of running the Coccinelle script from
scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to
avoid scalar types (which need careful case-by-case checking), and
instead replace kmalloc-family calls that allocate struct or union
object instances:
Single allocations: kmalloc(sizeof(TYPE), ...)
are replaced with: kmalloc_obj(TYPE, ...)
Array allocations: kmalloc_array(COUNT, sizeof(TYPE), ...)
are replaced with: kmalloc_objs(TYPE, COUNT, ...)
Flex array allocations: kmalloc(struct_size(PTR, FAM, COUNT), ...)
are replaced with: kmalloc_flex(*PTR, FAM, COUNT, ...)
(where TYPE may also be *VAR)
The resulting allocations no longer return "void *", instead returning
"TYPE *".
Signed-off-by: Kees Cook <kees@kernel.org>
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The drm_*() macros include the device which is helpful for debugging
issues in multi-GPU systems.
Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Use emit_clock_levels instead of print_clock_levels
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Move to emit_clock_levels from print_clock_levels
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Move to emit_clock_levels from print_clock_levels
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Keep only emit_clock_levels, and remove print_clock_levels.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Move to emit_clock_levels from print_clock_levels
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Move to emit_clock_levels from print_clock_levels
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Move to emit_clock_levels from print_clock_levels
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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v1:
- make pp_table invisible on VF mode (only valid on BM)
- make pp_table invisible on Mi* chips (Not supported)
- make pp_table invisible if scpm feature is enabled.
v2:
move pp_table invisible code logic into amdgpu_dpm_get_pp_table() function.
v3:
add table buffer pointer check both on powerplay & swsmu.
Signed-off-by: Yang Wang <kevinyang.wang@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Remove amdgpu_asic_flush_hdp & amdgpu_asic_invalidate_hdp functions and
directly use the mapped ones
Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Previously this was initialized with zero which represented PCIe Gen
1.0 instead of using the
maximum value from the speed table which is the behaviour of all other
smumgr implementations.
Fixes: 18aafc59b106 ("drm/amd/powerplay: implement fw related smu interface for iceland.")
Signed-off-by: John Smith <itistotalbotnet@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Previously this was initialized with zero which represented PCIe Gen
1.0 instead of using the
maximum value from the speed table which is the behaviour of all other
smumgr implementations.
Fixes: 18edef19ea44 ("drm/amd/powerplay: implement fw image related smu interface for Fiji.")
Signed-off-by: John Smith <itistotalbotnet@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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When passed around internally the upper 8 bits of power limit include
the limit type. This is non-obvious without digging into the nuances
of each function. Instead pass the limit type as an argument to all
applicable layers.
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Unnecessary headers can slow down the build, drop em.
No intended functional changes.
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Tested-by: Robert Beckett <bob.beckett@collabora.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Remove extra multiplication.
CIK GPUs such as Hawaii appear to use PP_TABLE_V0 in which case
the shutdown temperature is hardcoded in smu7_init_dpm_defaults
and is already multiplied by 1000. The value was mistakenly
multiplied another time by smu7_get_thermal_temperature_range.
Fixes: 4ba082572a42 ("drm/amd/powerplay: export the thermal ranges of VI asics (V2)")
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/1676
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This commit is necessary for DC to function well with chips
that use the legacy power management code, ie. SI and KV.
Communicate display information from DC to the legacy PM code.
Currently DC uses pm_display_cfg to communicate power management
requirements from the display code to the DPM code.
However, the legacy (non-DC) code path used different fields
and therefore could not take into account anything from DC.
Change the legacy display code to fill the same pm_display_cfg
struct as DC and use the same in the legacy DPM code.
To ease review and reduce churn, this commit does not yet
delete the now unneeded code, that is done in the next commit.
v2:
Rebase.
Fix single_display in amdgpu_dpm_pick_power_state.
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Use int instead of uint32_t for 'ret' variable to store negative error
codes or zero returned by other functions.
Storing the negative error codes in unsigned type, doesn't cause an issue
at runtime but can be confusing. Additionally, assigning negative error
codes to unsigned type may trigger a GCC warning when the -Wsign-conversion
flag is enabled.
No effect on runtime.
Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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For ternary operators in the form of "a ? true : false", if 'a' itself
returns a boolean result, the ternary operator can be omitted. Remove
redundant ternary operators to clean up the code. Swap variable positions
on either side of '==' to enhance readability.
Signed-off-by: Liao Yuanhong <liaoyuanhong@vivo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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For ternary operators in the form of "a ? true : false", if 'a' itself
returns a boolean result, the ternary operator can be omitted. Remove
redundant ternary operators to clean up the code. Swap variable positions
on either side of '!=' to enhance readability.
Signed-off-by: Liao Yuanhong <liaoyuanhong@vivo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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There is a small typo in phm_wait_on_indirect_register().
Swap mask and value arguments provided to phm_wait_on_register() so that
they satisfy the function signature and actual usage scheme.
Found by Linux Verification Center (linuxtesting.org) with Svace static
analysis tool.
In practice this doesn't fix any issues because the only place this
function is used uses the same value for the value and mask.
Fixes: 3bace3591493 ("drm/amd/powerplay: add hardware manager sub-component")
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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"ENABLE" is currently misspelled in SYS_INFO_GPUCAPS__ENABEL_DFS_BYPASS
PS: checkpatch.pl is complaining about the presence of a space at the
start of drivers/gpu/drm/amd/include/atomfirmware.h line: 1716
This is propably because this file uses (two) spaces and not tabs.
Signed-off-by: Jihed Chaibi <jihed.chaibi.dev@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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smu7_copy_bytes_from_smc() was added in 2016 by
commit 1ff55f465103 ("drm/amd/powerplay: implement smu7_smumgr for asics
with smu ip version 7.")
but never used.
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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atomctrl_initialize_mc_reg_table
The function atomctrl_initialize_mc_reg_table() and
atomctrl_initialize_mc_reg_table_v2_2() does not check the return
value of smu_atom_get_data_table(). If smu_atom_get_data_table()
fails to retrieve vram_info, it returns NULL which is later
dereferenced.
Fixes: b3892e2bb519 ("drm/amd/pp: Use atombios api directly in powerplay (v2)")
Fixes: 5f92b48cf62c ("drm/amd/pm: add mc register table initialization")
Signed-off-by: Charles Han <hanchunchao@inspur.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The user can set any speed value.
If speed is greater than UINT_MAX/8, division by zero is possible.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: c52dcf49195d ("drm/amd/pp: Avoid divide-by-zero in fan_ctrl_set_fan_speed_rpm")
Signed-off-by: Denis Arefev <arefev@swemel.ru>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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The user can set any speed value.
If speed is greater than UINT_MAX/8, division by zero is possible.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: c52dcf49195d ("drm/amd/pp: Avoid divide-by-zero in fan_ctrl_set_fan_speed_rpm")
Signed-off-by: Denis Arefev <arefev@swemel.ru>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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The user can set any speed value.
If speed is greater than UINT_MAX/8, division by zero is possible.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 031db09017da ("drm/amd/powerplay/vega20: enable fan RPM and pwm settings V2")
Signed-off-by: Denis Arefev <arefev@swemel.ru>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Add error handling to propagate amdgpu_cgs_create_device() failures
to the caller. When amdgpu_cgs_create_device() fails, release hwmgr
and return -ENOMEM to prevent null pointer dereference.
[v1]->[v2]: Change error code from -EINVAL to -ENOMEM. Free hwmgr.
Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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With phm_powerdown_uvd() gone in the previous patch, there's
now no longer anything that reads the powerdown_uvd member of the
pp_hwmgr_func.
Remove it.
There are a few assignments to it; a boring NULL which can just go,
and two functions, but those functions are called explicitly anyway
so the assignments to the member go.
One of those (smu7_powerdown_uvd) wasn't static previously;
make it static.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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phm_powerdown_uvd() has been unused since 2017's
commit 47047263c527 ("drm/amd/powerplay: delete eventmgr related files.")
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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pp_atomfwctrl_get_pp_assign_pin() and pp_atomfwctrl_get_pp_assign_pin()
were added in 2017 by
commit 0d2c7569e196 ("drm/amdgpu: add new atomfirmware based helpers for
powerplay")
but have remained unused.
Remove them, and the helper functions they used.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Update the *handle to amdgpu_ip_block ptr for all
functions pointers of is_idle.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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atomctrl_get_smc_sclk_range_table
The function atomctrl_get_smc_sclk_range_table() does not check the return
value of smu_atom_get_data_table(). If smu_atom_get_data_table() fails to
retrieve SMU_Info table, it returns NULL which is later dereferenced.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
In practice this should never happen as this code only gets called
on polaris chips and the vbios data table will always be present on
those chips.
Fixes: a23eefa2f461 ("drm/amd/powerplay: enable dpm for baffin.")
Signed-off-by: Ivan Stepchenko <sid@itb.spb.ru>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Pass ip_block instead of adev in set_clockgating_state() callback
functions. Modify set_clockgating_state()for all correspoding ip blocks.
v2: remove all changes for is_idle(), remove type casting
Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Sunil Khatri <sunil.khatri@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Pass ip_block instead of adev in set_powergating_state callback function.
Modify set_powergating_state ip functions for all correspoding ip blocks.
v2: fix a ip block index error.
v3: remove type casting
Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com>
Suggested-by: Christian König <christian.koenig@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Sunil Khatri <sunil.khatri@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Add an instance parameter to set_powergating_by_smu() function, and
re-write all amd_pm functions accordingly. Then use the instance to
call smu_dpm_set_vcn_enable().
v2: remove duplicated functions.
remove for-loop in smu_dpm_set_power_gate(), and temporarily move it to
to amdgpu_dpm_set_powergating_by_smu(), in order to keep the exact same
logic as before, until further separation in next patch.
v3: add instance number in error message.
Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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vega10_enable_se_edc_force_stall_config()
In case of error after a amdgpu_gfx_rlc_enter_safe_mode() call, it is not
balanced by a corresponding amdgpu_gfx_rlc_exit_safe_mode() call.
Add the missing call.
Fixes: 9b7b8154cdb8 ("drm/amd/powerplay: added didt support for vega10")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The check for tools_size being non-zero is redundant as tools_size is
explicitly set to a non-zero value (0x19000). Removing the if condition
simplifies the code without altering functionality.
Signed-off-by: Bhavin Sharma <bhavin.sharma@siliconsignals.io>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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We dont need to set the functions to NULL which arent
needed as global structure members are by default
set to zero or NULL for pointers.
Cc: Leo Liu <leo.liu@amd.com>
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Remove the dummy soft_reset functions for all
ip blocks.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Remove the dummy wait_for_idle functions for all
ip blocks.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Partially revert
commit 0ca9f757a0e2 ("drm/amd/pm: powerplay: Add `__counted_by` attribute for flexible arrays")
The count attribute for these arrays does not get set until
after the arrays are allocated and populated leading to false
UBSAN warnings.
Fixes: 0ca9f757a0e2 ("drm/amd/pm: powerplay: Add `__counted_by` attribute for flexible arrays")
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3662
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Update the *handle to amdgpu_ip_block ptr for all
functions pointers of hw_fini.
Also update the ip_block ptr where ever needed as
there were cyclic dependency of hw_fini on suspend
and some followed clean up.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Update the *handle to amdgpu_ip_block ptr for all
functions pointers of hw_init.
Also update the ip_block ptr where ever needed as
there were cyclic dependency of hw_init on resume.
v2: squash in isp fix
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Update the *handle to amdgpu_ip_block ptr for all
functions pointers of resume.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Update the *handle to amdgpu_ip_block ptr for all
functions pointers of suspend.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Update the *handle to amdgpu_ip_block ptr for all
functions pointers of wait_for_idle.
Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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